We have many types of mask:

1. Xhzlc15 filter-self-rescue respirator
Protective time more than 15 minutes, proof co, hcn, posion smoke, expiry time 5 years

2. Xhzlc30 filter-self-rescue respirator
Protective time more than 30 minutes, proof co, hcn, posion gas, expiry time 5 years

3. Zmjl60 filter/emergency hood en403
Proof salin more than 120 minutes, withstand of temperature outside 800 degree, proof co, hcn & poision. Poision gas more than 60minutes

4. Srsh15(ce approved) fire hood
Proof salin more than 120 minutes, withstand of temperature outside 800 degree
Proof co, hcn and posion. Posion gas more than 60minutes

5. Hyt15 chemical-oxgen emergency escape
Chemical proof